diff --git a/resources/lib/websocket.py b/resources/lib/websocket.py
index 98b7902e..3d777a97 100644
--- a/resources/lib/websocket.py
+++ b/resources/lib/websocket.py
@@ -853,6 +853,7 @@ class WebSocketApp(object):
         if self.sock:
             raise WebSocketException("socket is already opened")
         thread = None
+        self.keep_running = True
 
         try:
             self.sock = WebSocket(self.get_mask_key, sockopt=sockopt, sslopt=sslopt)